Free games like Command & Conquer™ and The Covert Operations™
Below are 8 free-to-play Steam games similar to Command & Conquer™ and The Covert Operations™, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Command & Conquer™ and The Covert Operations™ page.
Ranked picks
- 1

AirMech
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
- 2

Istrolid
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Strategy with Command & Conquer™ and The Covert Operations™.
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
- 3

Zombie Defense
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.
- 4

Spellsworn
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action with Command & Conquer™ and The Covert Operations™.
Enter a world of magic and battle, where your wits and reflexes will be pushed to their limits! Choose your spells, enter the ever-changing arena and prepare to obliterate all who stand in your way!
- 5

Empires Mod
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
Unique strategy/first person shooter mix: One commander on each team plays from above, choosing research, placing buildings and giving orders. The rest fill the role of soldiers on the ground, with four distinct classes to choose from and customizable vehicles to drive.
- 6

Crystal Clash
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
Crystal Clash is a mix of Lane Battles and Deckbuilding - with action-packed tug-of-war strategy, just like your favorite RTS mods from back in the day! :) Play 2v2 or co-op with a friend, or pair up with new allies and enemies! Collect cards, build your decks and have fun crushing your enemies!
- 7

Toy Shire: Room One
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
Are you prepared for a thrilling toy army tower defense adventure? Welcome to the Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers! FULL GAME AVAILABLE NOW!
- 8

Ajax’s Trial
Free-to-play alternative to Command & Conquer™ and The Covert Operations™ — no purchase or trial window. Shares Action and Strategy with Command & Conquer™ and The Covert Operations™.
Legendary Hoplite: Ajax's Trial is the prologue version of Legendary Hoplite, a game that combines Tower Defense and Action RPG genres. In this game, you'll need to build fortifications, upgrade your army, and create your own unique strategy to fight off hordes of monsters across 7 levels.